diff --git a/arch/arm64/lib/csum.c b/arch/arm64/lib/csum.c
index 847eb725ce09..1f82c66b32ea 100644
--- a/arch/arm64/lib/csum.c
+++ b/arch/arm64/lib/csum.c
@@ -20,6 +20,9 @@ unsigned int do_csum(const unsigned char *buff, int len)
 	const u64 *ptr;
 	u64 data, sum64 = 0;
 
+	if (unlikely(len == 0))
+		return 0;
+
 	offset = (unsigned long)buff & 7;
 	/*
 	 * This is to all intents and purposes safe, since rounding down cannot